84 results about "Lower Jaw Tooth" patented technology

The invention relates to the technical field of oral medical instruments, and particularly provides a customized joint jaw position appliance and a manufacturing method thereof.The customized joint jaw position appliance comprises an appliance body, the appliance body comprises an upper jaw tooth occlusion sleeve and a lower jaw tooth occlusion sleeve, and a first occlusal surface of the upper jaw tooth occlusion sleeve is effectively occluded with a second occlusal surface of the lower jaw tooth occlusion sleeve; the guide inclined surface is arranged on the inner side of the anterior tooth area of the appliance body; the upper jaw blocking body and the lower jaw blocking body are respectively arranged on an occlusal surface, a cheek side surface or a lingual side surface of a premolar region on two sides of the upper jaw tooth occlusal sleeve and the lower jaw tooth occlusal sleeve; the upper jaw blocking table and the lower jaw blocking table are respectively arranged on the occlusal surface, the cheek side surface or the tongue side surface of the molar areas on the two sides of the upper jaw tooth occlusal sleeve and the lower jaw tooth occlusal sleeve, and are integrally connected with the appliance body to form a first occlusal surface and a second occlusal surface. According to the customized joint jaw position appliance, the disc-condylar relationship can be more accurately recovered according to the displacement condition of the joint disc of a patient through double-jaw coordination and multi-region blocking design, the treatment period is shortened, and the prognosis stability is improved by matching with a chewing function.

The invention discloses a complete denture generation method, device and equipment and a storage medium. The complete denture generation method comprises the following steps: acquiring a plurality of tooth feature points; determining a target false tooth model closest to the current patient in a false tooth model library; and determining an upper and lower jaw anterior tooth occlusion relationship of the target false tooth model. Determining the occlusal relationship between upper and lower jaw posterior teeth of the target false tooth model; determining an upper jaw tooth arrangement termination line and a lower jaw tooth arrangement termination line of the target false tooth model; and based on the adjustment information, finely adjusting the occlusion relationship between the upper and lower jaw anterior teeth, the occlusion relationship between the upper and lower jaw posterior teeth, the upper jaw tooth arrangement termination line and the lower jaw tooth arrangement termination line, and determining the final complete denture. Therefore, a target denture model closest to the anterior tooth arrangement information of the current patient is determined in a denture model library, and the target denture model is further adjusted based on the anterior tooth occlusion relation between the upper jaw and the lower jaw, the posterior tooth occlusion relation, the upper jaw tooth arrangement termination line and the lower jaw tooth arrangement termination line of the current target denture model, so that a final complete denture is obtained.

The utility model discloses a mandible isolation tongue block structure, which comprises two belt rings respectively sleeved on first molars on two sides of a mandible; the connecting rod is arranged on the tongue side, the two ends of the connecting rod are connected with the two bands respectively, and the connecting rod has a radian bent in the arrangement direction of the teeth of the lower jaw; the tongue block is arranged on the tongue side, and the tongue block is vertically arranged on the connecting rod and used for isolating tongue muscles. The mandible isolation tongue blocking structure designed by the utility model is an appliance capable of relieving the thrust of tongue muscles to the mandible. The tongue blocking structure for isolating the lower jaw is convenient and fast to use, can effectively eliminate the cause of the reverse jaw problem caused by the low tongue position, is very suitable for being used by children with poor habits of the low tongue position, has high clinical value, and is suitable for clinical popularization and use.

The present application relates to the technical field of dental medicine, in particular to a mandibular edentulous implant guiding device and an implant positioning and implanting method using the same, the implant guiding device comprising a first pin guiding ring, a rotating structure and two second pin guiding rings, the two second pin guiding rings being rotatably connected to the first pin guiding ring through the rotating structure, and the first pin guiding ring being located between the two second pin guiding rings; a planting guiding ring is arranged between the second pin guiding ring and the rotating structure, and the distance between the first pin guiding ring and the two planting guiding rings is 9-11 mm respectively. The first pin guiding ring is filled with a bone site pin, and the bone site pin is used for positioning; then, another bone site pin is used for positioning after adjusting the second pin guiding ring according to the shape of the human mandibular alveolar ridge, so that the distance between the planting guiding ring and the first top guiding ring is unchanged, the human mandibular alveolar ridge can be aligned for drilling and implanting the implant, and the operation quality and efficiency are improved.

The present invention relates to the technical field of medical devices, and particularly relates to a positioning structure and method for osteotomy and bone reconstruction. The positioning structure for osteotomy and bone reconstruction includes a positioning assembly; the positioning assembly includes an upper jaw positioning guide plate, a lower jaw osteotomy guide plate, and a reconstructed bone positioning guide plate; the upper jaw positioning guide plate has an upper jaw occlusal surface, an upper N-shaped splicing mechanism, a plurality of positioning holes, and a plurality of fixing holes; the lower jaw osteotomy guide plate has a lower N-shaped splicing mechanism, a connection area, a lower jaw lower edge indication area, and an osteotomy guiding surface; the reconstructed bone positioning guide plate includes an indication guide plate and a plurality of C-shaped connecting rods; after the upper jaw positioning guide plate is fixed, the insertion and cooperation of the two lower jaw guide plates can guide all the key steps of the operation, without repeated disassembly and adjustment, and maintain accurate positioning and intermaxillary distance to facilitate subsequent implant restoration; based on the upper jaw dentition, the lower jaw osteotomy position and the reconstructed bone position can be positioned, and it can be applied to patients with tooth loosening or lower jaw dentition loss caused by various reasons.

The dental assembly comprises a first tooth socket and a second tooth socket which correspond to maxillary teeth and mandibular teeth respectively, and a plurality of retention structures, the first tooth socket is provided with a first buccal surface and a first lingual surface which are oppositely arranged, and the second tooth socket is provided with a second buccal surface and a second lingual surface which are oppositely arranged; the retention structures are connected with the first buccal surface and the second buccal surface, or the retention structures are connected with the first lingual surface and the second lingual surface, the dental assembly comprises a first half jaw and a second half jaw which are positioned on two sides of a dental midline, and the plurality of retention structures comprise a first retention structure and a second retention structure which are positioned on the first half jaw. The first retention structure is closer to the tooth midline than the second retention structure. According to the invention, relative rotation and relative movement of the first tooth socket and the second tooth socket are limited through cooperation of the first retention structure and the second retention structure, so that the relative position between the first tooth socket and the second tooth socket can be effectively controlled, and the correction effect can be effectively improved, such as in an application scene of jaw position adjustment.

The present application provides a kind of dentition correction mouthpiece and its manufacturing method, which can be used for dental correction.The manufacturing method needs to obtain the tooth position configuration map of upper jaw and lower jaw, read and display the tooth position configuration map by dental software, connect the multiple fossae of upper jaw teeth into the arc line of upper occlusal line, connect the multiple cusps of lower jaw teeth into the arc line of lower occlusal line, generate a correction arc line through the upper and lower occlusal lines, then generate the upper jaw correction slot and the lower jaw correction slot corresponding to the cuspid-fossa, and finally generate the upper and lower jaw corresponding parts of the dentition correction mouthpiece to correct the problem of misaligned dentition of dental patients.

The utility model discloses a rubber barrier perforated plate, which belongs to the technical field of medical equipment and comprises a transparent plate body, a positioning area is arranged on the transparent plate body, the positioning area is consistent with a rubber barrier in size and shape, a cross center line is arranged in the positioning area, and the positioning area is divided into four quadrants by taking the cross center line as an xy coordinate system. A right upper jaw tooth position hole and a left upper jaw tooth position hole are formed in the first quadrant and the fourth quadrant respectively, and a right lower jaw tooth position hole and a left lower jaw tooth position hole are formed in the second quadrant and the third quadrant respectively. Due to the fact that the plate body is transparent, finding of corresponding tooth position holes and adjustment of the relative position of the punching plate and the rubber barrier are very convenient, meanwhile, punching can be conducted on the rubber barrier on the corresponding tooth position holes in the transparent plate body in combination with the punching technology, the influence of the thickness, the color and the transparency of the rubber barrier is avoided, and the punching effect is good. And the influence of ambient light is relatively small.

The present invention discloses an intermaxillary traction tooth surface fixing device, its digital manufacturing method and application. The fixing device includes an upper jaw tooth surface fixing component applicable to the upper jaw and a lower jaw tooth surface fixing component applicable to the lower jaw. The upper jaw tooth surface fixing component includes a tooth surface bonding attachment A bonded to the labial tooth surfaces of each tooth in the upper jaw, a connecting rod A connecting two adjacent tooth surface bonding attachments A, and further includes a traction hook A extending towards the gingival side and arranged on the connecting rod A. The lower jaw tooth surface fixing component includes a tooth surface bonding attachment B bonded to the labial tooth surfaces of each tooth in the lower jaw, a connecting rod B connecting two adjacent tooth surface bonding attachments B, and further includes a traction hook B extending towards the gingival side and arranged on the connecting rod B.

The invention provides an occlusion induction appliance for a tooth replacement period, an orthodontic system for guiding jaw growth in the tooth replacement period and a design method of the orthodontic system. The occlusion induction appliance for the tooth replacement period comprises an upper jaw tooth socket and a lower jaw tooth socket, a lower jaw brace; the intermaxillary connecting body is positioned between the occlusal surfaces of the back tooth areas of the upper jaw tooth socket and the lower jaw tooth socket; wherein the upper jaw tooth socket and the lower jaw tooth socket form a rigid integral structure which cannot move relatively on an occlusal surface through the intermaxillary connector; the intermaxillary connecting body has a preset thickness so as to open occlusion contact of upper and lower anterior teeth in a wearing state, and the intermaxillary connecting body is configured to lock the lower jaw tooth socket at a preset three-dimensional space position relative to the upper jaw tooth socket body; when the occlusion induction appliance for the tooth replacement period is worn, the upper dentition and the lower dentition serve as integral interactive anchorage, and the occlusion force is converted into the orthodontic force acting on the dentition or the jaw bone.

According to one embodiment, disclosed are a method, device, and recording medium for providing border lines. The method for providing border lines is characterized in that: scan data for the oral cavity is obtained; the scan data is determined on the basis of outlines illustrating the uppermost end of the upper jaw gum or the lowermost end of the lower jaw gum; border lines used for oral denture modeling are determined using the scan data; the border lines are updated on the basis of points to be updated on the border lines; and the updated border lines are displayed.

The utility model belongs to the technical field of oral medicine, and particularly relates to a split type jaw position relation recording tray which comprises an upper tray body and a lower tray body, and the upper tray body is detachably connected with the lower tray body. Arc-shaped grooves are prefabricated in the upper surface of the upper tray body and the lower surface of the lower tray body, and silicon rubber is placed in the arc-shaped grooves. The split type design is adopted, the tray is divided into the upper tray and the lower tray, the position of an occlusal plane can be accurately determined, and the boundary of upper and lower jaw teeth can be guided and arranged in the later period and cannot be obtained through an existing integrated median jaw tray; according to the utility model, the split type jaw position relation recording tray design is adopted, so that the position information about 1mm below the upper lip can be accurately obtained, and an accurate reference is provided for subsequent determination of the position of the lower edge of the upper anterior incisor.

The present invention relates to an artificial intelligence-based dentition matching and jaw bone segmentation method, system and medium, including the following steps: S1, constructing a dentition matching algorithm under constrained movement to obtain an objective function for matching a digital dentition model with the dentition of a skull model; S2, minimizing the objective function to obtain an automatic matching method for the upper and lower dentitions with the dentition of the skull model, and the translation and rotation methods of the upper and lower dentitions. The jaw bone segmentation method includes: using this dentition matching method to replace the tooth part on the three-dimensional skull model with the upper and lower dentitions of the digital dentition model; then automatically segmenting the condyles of the three-dimensional skull model to complete the automatic segmentation of the jaw bone of the three-dimensional skull model. This application constructs an intelligent dentition matching method and jaw bone segmentation method for orthognathic surgery, which can automatically complete the important links of jaw bone segmentation and dentition matching in digital orthognathic surgery design by computer, so as to reduce the workload of clinicians and improve work efficiency.

A teeth cleaning system, which provides improved coverage or brushing area. The system includes an actuated tray comprises brushing elements. The brushing elements may be positioned to engage the front, rear, and top surfaces of the upper and lower jaw teeth. The actuation may be configured to oscillate the tray in a lateral direction which may brush all the surfaces of teeth simultaneously. Some embodiments include a higher density of bristles which increases the effectiveness of brushing. In addition, aspects of the system reduce the time spent brushing teeth.

The invention discloses a posterior tooth arrangement method and device based on measurement of an alveolar ridge intercrest line angle and a medium. The method comprises the following steps: acquiring an occlusion record of a patient; according to the occlusion record of the patient, establishing an upper and lower jaw edentulous jaw three-dimensional model of the patient; determining an occlusal plane of the three-dimensional model, and performing preliminary tooth arrangement on the three-dimensional model according to the occlusal plane; carrying out alveolar ridge intercrest line angle measurement on the three-dimensional model after preliminary tooth arrangement; and modifying the three-dimensional model after preliminary tooth arrangement based on an alveolar ridge intercrest line angle measurement result to obtain a posterior tooth arrangement scheme. According to the method, the included angle between the connecting line of the upper and lower jaw alveolar ridges and the occlusal plane is used as a basis for judging the arrangement mode of the back teeth, three-dimensional reconstruction is carried out on the oral cavity of the patient, digital measurement of the alveolar ridge intercrest line angle of the patient is completed in a computer, and the generated arrangement scheme of the back teeth can recover the relation between the upper and lower jaws of the patient more reasonably; the retention, the stability and the chewing performance of false tooth wearing are improved.

The invention discloses a manufacturing method of an integrated fiber post core, which comprises the following steps: (1) acquiring oral data of a patient to prepare an upper and lower jaw dentition plaster model, preparing a defect model according to the upper and lower jaw dentition plaster model, and preparing a root canal; (2) acquiring a first silicone rubber pile way digital model by using a scanner; (3) carrying out trimming treatment on the first silicon rubber pile road digital model by utilizing software to obtain a second silicon rubber pile road digital model; and (4) scanning the plaster model by using a scanner to obtain a maxillary and mandibular dentition digital model, and merging the second silicone rubber stake way digital model and the maxillary and mandibular dentition digital model to obtain a second maxillary and mandibular dentition digital model with a stake way. And importing the second maxillary and mandibular dentition digital model into computer design software for post-core design to obtain an integrated post-core digital model, and importing the integrated post-core digital model into CAM equipment for milling to obtain an integrated fiber post-core.

The invention relates to the technical field of oral cavity plastic surgery, in particular to a manufacturing method of a digital buckle type guide plate for dental crown lengthening, which comprises the following steps of: 1, scanning an upper jaw dental arch and a lower jaw dental arch of a patient to obtain intraoral scanning data, recording an occlusion relationship at a maximum tooth tip staggering position, and exporting the data for later use; step 2, acquiring facial three-dimensional scanning data, alveolar bone and craniofacial structure data, digital facial arch data, mandibular position and mandibular movement parameters of the patient; 3, fitting various data to determine ideal gingival margin position parameters and bone trimming contour line parameters required in the operation; and 4, on the basis of the parameters determined in the step 3, buckle type guide plates are designed in design software, the buckle type guide plates comprise a gingival resection guide plate and an osteoplasty guide plate, and finally the buckle type guide plates are printed through a 3D printer. By implementing the buckle type guide plate prepared by the method, the stability, the accuracy, the operation convenience and the operation efficiency in the operation process of the dental crown extension surgery are remarkably improved.

The application discloses a virtual occlusion detection and design method based on intraoral three-dimensional scanning and relates to the field of oral prosthetics. The application comprises the following steps: acquiring complete upper and lower dental arch data and static occlusion data of a patient in a static state; acquiring a dynamic motion trajectory of teeth by using the static occlusion data to correspond to the position of the teeth in a lower jaw motion in real time; combining the complete upper and lower dental arch data in the static state and the lower jaw motion trajectory to complete motion trajectory integration; drawing a boundary along a crown gum margin and an adjacent contact area in the static dental arch data to obtain a single tooth by segmentation; taking a crown cheek side as a common area, registering the segmented single tooth data to occlusion data one by one to obtain occlusion data after tooth-by-tooth registration; and designing a prosthesis based on the dental arch data and the occlusion data after tooth-by-tooth registration. The application can obtain accurate static and dynamic occlusion data and greatly improves the precision and efficiency of prosthesis design and production through automatic virtual occlusion detection and virtual adjustment.

The invention relates to a method for providing a 3D-print data set of a dental model structure (100) to be mounted on an articulator (5), comprising: —providing an articulator data set of the articulator (5) on which the dental model structure (100) is to be mounted; —providing a dental situation data set which represents a dental situation of an upper jaw and / or a lower jaw, the dental situation data set including data to display the dental situation as a virtual representation of the dental situation on a display; —selecting at least one distance element (20) from a plurality of different predefined and / or prefabricated distance elements based on the articulator data set and the dental situation data set; —generating a connecting structure data set representing at least a virtual connecting structure (15) arranged between the virtual representation of the dental situation and a virtual representation of the at least one selected distance element; and —generating the 3D-print data set based on the dental situation data set and the connecting structure data set. Furthermore, the invention relates to a corresponding computer program product, a dental model structure, a mounting plate and a dental model system.

The oral cavity opening size adjusting device comprises a fixing frame and a measuring assembly, rotating seats are rotationally clamped to the two ends of the fixing frame correspondingly, through holes are formed in the rotating seats, a sliding rod and a threaded rod are slidably clamped in the two through holes correspondingly, and fixing blocks are fixedly connected to the bottom ends of the sliding rod and the threaded rod through longitudinal rods correspondingly; the measuring assembly comprises a guide rail connected between the two fixing blocks, a moving seat is slidably clamped on the outer side of the guide rail, and a pair of pneumatic rods are rotatably connected to one side, close to the guide rail, of the moving seat; the external shape of teeth of a patient can be measured by the measuring assembly and synchronized to the soft strip clamped in the shaping clamp, then the occlusion block is arranged in the extension direction of the soft strip and clamped to teeth of the lower jaw of the patient, and finally, the occlusion block is pulled through the fixing block so as to be matched with the fixing frame to open the oral cavity of the patient for auxiliary fixing.

The utility model relates to a detachable extraoral arch muscle agonist which comprises a resin base, a lower jaw tooth groove is formed in the portion, making contact with lower jaw teeth, of the resin base, and an extraoral traction mechanism used for relieving the burden of the teeth is installed on the outer side of the side face of the resin base. The extraoral traction mechanism comprises a connecting outer ring, fixing clamping rings are installed on the two sides of the bottom of the connecting outer ring, rotating springs are fixedly installed at the two ends of the connecting outer ring, and extraoral bow assemblies facilitating belt taking are installed on the two sides of the top of the connecting outer ring. The extra-oral traction mechanism is arranged, so that the extra-oral arch body is detachable, the tooth burden can be relieved, the possible inward inclination of the upper anterior teeth can be prevented, the upper anterior teeth can be conveniently taken out, and the forward extension of the upper anterior teeth can be better inhibited through the backward traction force of the extra-oral arch body and the inward contraction of the upper anterior teeth under the stress.

This is a dental measuring tool used to check the degree of tooth grinding when grinding and capping teeth. As shown in the "Reference Front View," this tool consists of a gripping portion, an interocclusal measurement portion, and a grinding shoulder measurement portion. For example, when grinding and capping a lower jaw tooth, as shown in "Reference Figure 1 Showing the State of Use," the tip of the interocclusal measurement portion is inserted between the ground lower jaw tooth and the upper jaw tooth to measure the gap. Furthermore, as shown in "Reference Figure 2 Showing the State of Use," the grinding shoulder measurement portion is placed along the ground lower jaw tooth, and the shoulder (foot-like portion) of the lower jaw tooth is measured using the tip diameter of the grinding shoulder measurement portion, and the height of the lower jaw tooth is measured using the scale on the grinding shoulder measurement portion.

The invention discloses a multifunctional integrated double-jaw tooth socket and a manufacturing method thereof, and is characterized in that the multifunctional integrated double-jaw tooth socket comprises an upper jaw tooth socket, a lower jaw tooth socket and an adhesive, the occlusal surface of the outer side of the upper jaw tooth socket is provided with an upper boss, the occlusal surface of the outer side of the lower jaw tooth socket is provided with a lower boss, and the lower boss is provided with a lower boss. And the adhesive is positioned between the upper boss and the lower boss. The upper jaw tooth socket body and the lower jaw tooth socket body are bonded through the adhesive to form an integrated structure, and the structure is simple; and the distance between two jaws is adjusted by the upper boss and the lower boss which are 2 mm high, so that the double-jaw tooth socket has good wearing comfort. In addition, the double-jaw tooth socket not only can be used for stopping snore, but also can be used for preventing tooth grinding. According to the manufacturing method of the multifunctional integrated double-jaw tooth socket, the process is simple, the mold opening design of a traditional silica gel snore-ceasing tooth socket is not needed, and the cost is low. The method has high practical value and is worthy of wide-range popularization and application.

The embodiment of the invention provides a method for generating a three-dimensional tooth-jaw composite model, which comprises the following steps: acquiring an initial three-dimensional tooth-jaw composite model, the initial three-dimensional tooth-jaw composite model comprising an upper jaw tooth virtual model, an upper jaw bone virtual model, a lower jaw tooth virtual model and a lower jaw bone virtual model; under the condition that the relative pose relation of the maxillary virtual model and the mandibular virtual model is kept unchanged, teeth in the maxillary tooth virtual model and the mandibular tooth virtual model are subjected to decompensation alignment to obtain a preoperative three-dimensional tooth-jaw composite model; obtaining relative poses of a tooth model and a corresponding bone block model in the preoperative three-dimensional tooth-jaw composite model and a jaw correction treatment demand; under the condition that the relative poses of the tooth model and the corresponding bone block model in the preoperative three-dimensional tooth jaw composite model are kept unchanged, the poses of all the bone block models in the preoperative three-dimensional tooth jaw composite model are adjusted according to the orthognathic treatment requirement, and a postoperative three-dimensional tooth jaw composite model is obtained.

The utility model relates to the field of medical instruments, and discloses a mouth floor genioglossus monitoring device which comprises a retainer (10) and a monitor (20), the retainer (10) can be fixed on lower jaw teeth of a patient, the monitor (20) is connected to the inner side of the retainer (10), and the monitor (20) is connected with the retainer (10). The supporting surface (233) is used for supporting the tongue body of the patient; and the monitoring part (21) is used for being in contact with the genioglossus of the mouth floor of the patient to monitor an electromyographic signal of the patient. According to the utility model, the mouth floor electrode is in contact with the genioglossus surface for monitoring, so that the interference of the activity of adjacent muscular tissues on the monitoring result is avoided, and meanwhile, the monitoring mode is more easily accepted by a patient due to the noninvasive property of the monitoring mode. Compared with the prior art, the monitoring accuracy and the comfort level of the patient are improved to the maximum extent.

The invention discloses a tooth arrangement system for eliminating early contact. The tooth arrangement system comprises a left and right condylar process central point setting program module, a collision detection program module, an opening and closing stopping program module, a tooth movement program module, an overlapping display program module and a movement amount display program module, a tooth arrangement method for eliminating early contact comprises the following steps: analyzing the early contact positions of upper and lower jaw teeth and the amount of movement required for eliminating the early contact teeth, judging whether treatment can be carried out through jaw adjustment, correction or orthognathic surgery, visually checking the position of a middle early contact point, and removing the early contact after left and right movement or tooth lowering. The automatic closing collision motion simplifies the operation of a doctor and assists the doctor in quickly formulating a method for eliminating early contact.

The invention provides a multi-arm open-type implantation guide plate, and relates to the technical field of dental implantation, the multi-arm open-type implantation guide plate comprises a body fixed on upper and lower jaw dentitions or jaw bones and a guide plate sleeving the outer side of the body and used for positioning, and the middle of the guide plate is provided with a central platform for realizing stable positioning by using a multi-point plane stabilization principle. By means of a unique stable guide mode supported by multiple guide rails on the guide plate, implanting is completed under whole-course direct vision of a doctor, hard and soft tissue interference can be found in time in a fully-open implanting operation area, meanwhile, due to the strong supporting force of the multiple guide rails, the effect of correcting implanting drill bit deflection caused by different bone mineral densities in the implanting operation area is achieved, and the implanting efficiency is improved. The common planting hole type preparation difficulty caused by the friction resistance of the guide ring of the existing single-hole guide ring is avoided, and the heat generated in an operation area is reduced; secondly, a guide plate of a fully-open operation area formed by the device is combined with a water supply system on the implant dental handpiece to be matched with a water injection hole formed in the central platform to automatically spray water in multiple directions, so that the cooling efficiency is greatly improved, the implant cavity can be effectively prevented from being overheated, and the preparation efficiency is improved.

The utility model provides a mixed reality navigation orthodontic bracket bonding device, relates to the technical field of oral medical instruments, and solves the problems that in the bracket bonding process in the prior art, bracket positioning is not accurate, registration is not good, time is wasted, the positions of the upper jaw and the lower jaw are not stable during operation, tooth surfaces are not exposed sufficiently, and the bracket bonding effect and efficiency are affected. Tooth sockets are formed in the upper surface and the lower surface of a jaw pad, the two sides of the jaw pad are connected with mouth gags through first connecting rods, the jaw pad is connected with an information plate through a second connecting rod, the information plate is provided with a two-dimensional code, and identification mark points are arranged on the surface of the two-dimensional code and the jaw pad. Quick registration and accurate positioning of the bracket are realized by matching the two-dimensional code and the identification mark point with mixed reality (MR) navigation equipment; meanwhile, by means of the jaw pad matched with the tooth body and the mouth gags on the two sides of the lip, the dentition of the upper jaw and the lower jaw is kept stable, more tooth surfaces are exposed, and therefore the orthodontic bracket can be better matched with MR navigation equipment, and accurate, efficient and convenient orthodontic bracket bonding is achieved.

This invention provides an invisible orthodontic appliance with an oblique guide module, including an upper brace and a lower brace adapted to the upper brace. An oblique guide module is fixedly disposed on the lingual side of one of the upper or lower braces. The tooth side of the oblique guide module has an occlusal surface, which cooperates with the lingual surface of the other brace. By setting the oblique guide module, the occlusal surface is set on the tooth side, and then cooperates with the lingual surface of the corresponding brace for correction. The appliance has minimal foreign body sensation and is comfortable to wear.

The application discloses a kind of upper and lower jaw alveolar arch coordination analysis method based on oral cone beam CT, specific steps are as follows: collecting patient cone beam examination data, it is exported as DICOM format, three-dimensional reconstruction is carried out using software;Head position calibration is carried out in software, and three-dimensional reference plane is established;Four quadrant of dental arch is positioned and marked, and four quadrant first molar impedance center point is positioned;Determine alveolar arch measurement plane;Determine four quadrant alveolar arch width measurement mark point;Mark point is projected to the same coronal reference plane, and is connected to form upper and lower jaw alveolar arch width coordination angle respectively, and the angle of upper and lower jaw alveolar arch width coordination angle is measured respectively;According to the angle of upper and lower jaw alveolar arch width coordination angle, whether the upper and lower jaw alveolar arch coordination is judged.The angle of measured double jaw alveolar arch width coordination angle can more accurately reflect the position relationship of upper and lower jaw first molar alveolar arch in horizontal direction;It has guiding significance to judge whether left and right alveolar arch is symmetrical.